Which of the following is the greatest dissolved solid in ocean water? magnesium chloride plankton sodium chloride calium

The right answer is Sodium chloride.

Sodium chloride is a chemical compound whose formula is NaCl. Everyone knows the taste because it is, more simply, table salt.

Let's take a pool 50 meters long and 15 meters wide and fill it with sea water. Then let's go to his analysis. We find:

1400 tons of pure water

50 tons of sodium chloride

2 tons of magnesium

1 ton of sulfur

And then much less frequent elements

number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.

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